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` T all 'whom t may concern: l i

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wHELwRrGHTs BORING AND TENNING MACHINE.

Specification f Lettere rement No.` 12,776, dated May 1, 1855.

Be it` known that we, CrifAuNonxf COWDRY,

` 01min Tonnsyand CHAUNCEY C. ToLLs, of

` ings,

` the frame c, shown in Ithaca, in the county of Tompkins and State of" New York, have invented a new and useful Improvement on jMachines for Boring and Tenoning for the `use of Carriage and n "Cabinet Makers;and`wedo herebypdeclare l that the following is a full, clear, and ex-' actdescription and operation of the same," j reference being had, to the annexed drawmaking azpart of this specificatiomin which--` l i Figure` l is abirdseye view; Fig. 2, a side `elevation showing" the manner of holding.

and tenoninglspokes. Fig. 3, is also a side `elevation showing theposition of the man chine when boring a carriage hub. Figs. 4, f `5, 6, are sectional views. V l `I f AA is the bench or platform to which the partsware attached.`

i B B `are the legs on which the bench stands. i

C C is the frame in which vthe mandrel holdingthevbit or auger slides; D D, the mandrel; E E, a sliding clasp inclosing the Vmandrel D :near` each end and sliding ingains or recesses in the top of the posts of Fig.` l at F; Gr, the lever attached by'a pin or screw to a stud in the frame at H, and passing through the i slidingclasp E, at I, Fig. 1; J J,bit or auger; K, hollow auger `for tenoning;L`, a

`movable slotted stop, for regulating` the depth of holes, and the length of tenons,

andsecured to the frameC, by the screw `M; NN, screws for securing the frame C at the required height; OO, crankon the back `end of the mandrel; P,"screw for holding the bit or auger; Q, screw for raising the rameC;"R R, a frame` with perpendicular `and parallel groove inthe inner side of its posts, thegrooves shown at S, Figs. 1 and 5, and containing a` graduated and sliding scale of tubes T for the guiding ofthebits and augers when in use, the tubes T being "raised or lowered by means of the screw U;

V V, table projecting from the frame R on which workis placed for boring; the work o secured in place by means of the screwW;

through the upper` `projecting part of the frame R; X, adjustable gages used as shown in Fig. 5, for boring the ends of fellies; and being throvvnf` back as shown in Fig.` 1, when boring` :thefellies for spokes,

`the dotted lines showingthe position of the jfellies Y Y, screws for holding the adjustable gages X; shown in Figs. 4c and 5; A1, bolt for holding frame R;\B2, a, support for the spoke in tenoning having a notchin its `upper end, to receive the spoke as shown in Fig. 6, and a joint or hinge near the bench A, Fig. 2, so thatit may be moved down to the position indicated by the dotted `linesin Fig. 2; that the hub may be turned from one spoke to another in tenoning without releasing the hub rom'the index on which it stands; C3, a sliding screw clamp, attached to support B2i, by the lower angle passing loosely through the support near its upper end, as shown in Fig. 6; D4, screw forming part of the clamp C3; E5, screw for securing the support at the proper height under the spoke; F6, bed plate with flanges vprojecting down each side of the bench, A, for guides; G1, index turning on a center, `having any number of spaces required, and resting upon the bed plate F6; H8, spring having theindex point; I9, represents a carriage hub fastened upon the index by means of the bolt J1", Aand the nut K12; L13 screw for fastening in position the bed plate F6; M14, spoke in position for tenoning Fig. 2.

Description 0f operatz'one-For boring a hub reverse the position of the frame R, as shown in Fig. 3, place the hub upon the index and fasten with the nut K12, raise or lower as the case requires the graduated scale of sliding tubes, until the proper size is at the required height, by means of the screw U; also graduate the Vheight of the frame C, and fasten bythe screws 'N N, place the index point upon the required number of spaces on the index plate, regu1 late the position of the movable stop L, so that the lever G will stop the forward movement of the auger when the hole is deep enough, place the left hand upon the lever G, the right upon the crank O, press lightly with the left hand and turn briskly with the right, until the lever G, strikes the stop L; then draw back the lever Gr, raise the case may be, the tubes T, the frame C, s

and repeat as before.

` lF01' tenom'ng spolceaAfter the `spokes are driven in the hub, place the hub upon the index as shown in Fig. 2, fasten as before described raise the support B2, in a perpendicular position, so that the spoke will rest firmly in the notch as shown in Figs. 2 and 6. Operate with the hollow auger as in boring, placing the movable stop so that the shoulder of the tenon will be at the required distance from the hub, when the tenon is made turn back the screw D4, draw forward the clamp C3, as shown by the dotted lines in Fig. 2, turn down the spoke support as shown by the dotted lines in Fig. 2, so that the spokes may pass over it when the index and hub are turned, turn to the next spoke and raise the support and fasten with the clamp and repeat until all are done. For boring ellies for doweling place the elly upon the table V, as shown by the dotted lines in Fig. 5, between the adjustable gages X X, fasten with the screw W, adjust the height of the graduated tubes as before, and the stop L, operate as irst del scribed until the hole is bored, change the ends and repeat. For boring the sides of fellies for spokes, turn back the gages as shown in Fig. 1, place the felly as shown by the dotted lines across Fig. 1,- fasten as before, and operate the machine as first described boring through the felly.

What we claim and desire to secure by Letters Patent is- 1. The combination and arrangement of the frame R, with .the scale of graduated and sliding tubes T, and screw U as described.

2. The combination of the hinged support B2, with the sliding screw clamp C3, substantially as described.

3. We claim the combined arrangement of the several parts substantially as described and set forth.

CHAUNCEY COWDRY. ORRIN TOLLS. CHAUNCEY C. TOLLS.

Witnesses:

W'M. H. AKINS, A. M. BAKER. 

